package edu.gatech.oad.antlab.person;

import java.util.Random;

/**
 *  A simple class for person 2
 *  returns their name and a
 *  modified string 
 *
 * @author Bob
 * @version 1.1
 */
public class Person2 {
    /** Holds the persons real name */
    private String name;
	 	/**
	 * The constructor, takes in the persons
	 * name
	 * @param pname the person's real name
	 */
	 public Person2(String pname) {
	   name = pname;
	 }
	/**
	 * This method should take the string
	 * input and return its characters in
	 * random order.
	 * given "gtg123b" it should return
	 * something like "g3tb1g2".
	 *
	 * @param input the string to be modified
	 * @return the modified string
	 */
	private String calc(String input) {
		int val;
		//converts the inputted string into an array
		char[] temp= input.toCharArray();
		//creates a new random number
		Random rando= new Random();
		//creates an array with a random string.
		char[] randomString= new char[input.length()];
		
		
		//a for loop that will create an empty array.
		for (int i=0; i< input.length(); i++)
			randomString[i]=' ';
		//a for loop that will take the characters from the input String and randomly assign it a new position.
		for (int k=0; k<input.length(); k++){
			val=rando.nextInt(input.length());
			while (randomString[val] != ' '){
				val=rando.nextInt(input.length());
			}
			randomString[val]=temp[k];	
		}
		
		
		//the following will create a new string from the random rearrangement of the input String.
		String result = new String(randomString);
		return result;	
	}
	
	/**
	 * Return a string rep of this object
	 * that varies with an input string
	 *
	 * @param input the varying string
	 * @return the string representing the 
	 *         object
	 */
	public String toString(String input) {
	  return name + calc(input);
	}
}
